A range of easy to use LCR meters with comprehensive measurement functions.

Accurate and fast measurements may be made from 20Hz to 1MHz (43100) making the 4300 series the ideal choice for many applications in the test or production environments.

Two test mode enables consecutive measurements to be made with two different instrument parameters set. For example two AC measurements may be made at different frequencies or an AC and a Rdc measurement may be made.

Measurement limits may be set in Scale or Operator modes.

An optional component Binning module may be specified which provides an interface to component sorting machines. Limits set in the instrument Binning mode enable a wide range of components to be sorted while the choice of isolated or non-isolated modules give interface flexibility.

The optional Scaleizer handler module provides PASS/FAIL and data synchronisation relay outputs for limit checked measurements. Two output signal configurations are available.

Up to 20 measurements set ups can be saved with user defined names for later recall.

All 4300 series instruments may be externally controlled using the standard RS232, GPIB, USB or LAN interfaces.

Key Features

  • Key Features

    • Test components from 20Hz to 1 MHz (43100)
    • 0.1% basic accuracy
    • < 25ms measurement time
    • Parameters C, L, Z, Y, X, B, Rac, Rdc, G, Q, D, Ø
    • Single or two test operation
    • Up to four parameters may be displayed (two test mode)
    • Drive level from 10mV to 2Vrms
    • Scale mode with measurement target limits
    • Operator mode with target limits
    • +2V internal or up to ±40Vdc external bias
    • Measurement setup Save and Recall
    • GPIB / IEEE-488, USB, LAN and RS-232 interfaces
    • Handler Scaleizer module (Optional)
    • Binning (Optional)
    • Protection against charged capacitors
    • Small size and light weight


Technical Specification

Frequency Range20 Hz to 100 kHz20 Hz to 200 kHz20 Hz to 500 kHz20 Hz to 1 MHz
Frequency Steps5 Hz     – 20 Hz to 1 kHz
50 Hz   – 1 kHz to 10 kHz
500 Hz – 10 kHz to 100 kHz
5 kHz   – 100 kHz to 1 MHz
Measurement FunctionAny of the following parameters can be measured and displayed:
Impedance (Z)             Phase Angle (Ө)
Capacitance (C)           Dissipation Factor (D)
Inductance (L)             Quality Factor (Q)
AC Resistance (Rac)   Reactance (X)
Susceptance (B)          Conductance (G)
Admittance (Y)DC Resistance (Rdc) is an option (/R) on all models.
Measurement Function –
DC Resistance (Rdc)
option (/R)
Series/parallel equivalent circuitAny combination
Polar FormZ + Ө, Y + Ө
Drive Level
(AC measurements)
Open circuit:                     10 mV to 2V rms
Voltage step size:              10 mV (200 steps)
Short circuit:                      100 µA to 20 mA rms
Current step size:              100 µA (200 steps)
Signal source impedance:   100Ω
DC Bias VoltageInternal – 2 Vdc
External – up to ±40V may be connected via rear panel
Measurement SpeedsFour selectable speeds for all measurement functions
Up to 50 measurements per second depending on test frequency and setup condition
Measurement RangesZ, R, X          0.01 mΩ to > 1 GΩ
Y, B, G          0.1 nS to > 2 kS
L                    1 nH to > 2 kH
C                    0.01 pF to > 1 F
D, Q               0.0001 to 9999.9
Phase Angle -180° to +180°
Rdc                0.1 mΩ to > 100 MΩ
Basic Accuracy0.1% varies with speed, frequency, AC drive level and impedance of device under test
Binning (Optional)User programmable PASS and FAIL bins. 25 way D-type interface connector.
Option /B1 (non-isolated) – Common 0V. Bin outputs 0 to 5V (nominal) with >10 mA current sink capability.
Option /B2 (isolated) – Common 24V input. Outputs 0 to 24V with >10 mA current source capability.

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